Prior to joining Arent Fox, Ria worked as a pro bono law clerk at a large law firm headquartered in Washington, DC. She practiced pro bono litigation exclusively and provided direct pro bono legal serves to indigent clients in the areas of family law, domestic violence, and public benefits.

During law school, she worked as a research assistant and was a judicial intern for the Honorable Alexander Williams of the US District Court for the District of Maryland.